﻿using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;

namespace Twi.COMMON.WCF
{
    public class ExceptionLog
    {
        public static void SetLog(Exception objErr, string type, string otherMsg)
        {
            // 在出现未处理的错误时运行的代码
            string error = string.Empty;
            string errortime = string.Empty;
            string erroraddr = string.Empty;
            string errorinfo = string.Empty;
            string errorsource = string.Empty;
            string errortrace = string.Empty;

            error += "发生时间:" + System.DateTime.Now.ToString() + "<br>";
            errortime = "发生时间:" + System.DateTime.Now.ToString();

            //error += "发生异常页: " + Request.Url.ToString() + "<br>";
            //erroraddr = "发生异常页: " + Request.Url.ToString();

            error += "异常信息: " + objErr.Message + "<br>";
            errorinfo = "异常信息: " + objErr.Message;
            errorsource = "错误源:" + objErr.Source;
            errortrace = "堆栈信息:" + objErr.StackTrace;

            if (objErr.InnerException != null)
            {
                error += "<br>";
                error += "子异常信息: " + objErr.InnerException.Message + "<br>";
                errorinfo = "子异常信息: " + objErr.InnerException.Message;
                errorsource = "子错误源:" + objErr.InnerException.Source;
                errortrace = "子堆栈信息:" + objErr.InnerException.StackTrace;
            }

            error += "--------------------------------------<br>";
            //Server.ClearError();
            //Application["error"] = error;
            //独占方式，因为文件只能由一个进程写入.

            if (objErr.Source.ToLower() != "system.web")
            {
                System.IO.StreamWriter writer = null;
                try
                {
                    // 写入日志
                    string year = DateTime.Now.Year.ToString();
                    string month = DateTime.Now.Month.ToString();
                    string path = string.Empty;
                    string filename = "/www" + DateTime.Now.Day.ToString() + ".txt";
                    path = AppDomain.CurrentDomain.BaseDirectory + @"\err\" + type + @"\" + year + month;
                    //如果目录不存在则创建
                    if (!System.IO.Directory.Exists(path))
                    {
                        System.IO.Directory.CreateDirectory(path);
                    }
                    System.IO.FileInfo file = new System.IO.FileInfo(path + filename);
                    writer = new System.IO.StreamWriter(file.FullName, true);
                    //writer.WriteLine("用户IP:" + Request.UserHostAddress);
                    writer.WriteLine(errortime);
                    writer.WriteLine(erroraddr);
                    writer.WriteLine(errorinfo);
                    writer.WriteLine(errorsource);
                    writer.WriteLine(errortrace);

                    if (otherMsg != "")
                    {
                        writer.WriteLine("");
                        writer.WriteLine(otherMsg);
                    }



                    writer.WriteLine("--------------------------------------------------------------------------------------");
                }
                finally
                {
                    if (writer != null)
                        writer.Close();
                }
            }
        }

        public static void SetLog(string type, string msg) 
        {
            System.IO.StreamWriter writer = null;
            try
            {
                // 写入日志
                string year = DateTime.Now.Year.ToString();
                string month = DateTime.Now.Month.ToString();
                string path = string.Empty;
                string filename = "/www" + DateTime.Now.Day.ToString() + ".txt";
                path = AppDomain.CurrentDomain.BaseDirectory + @"\err\" + type + @"\" + year + month;
                //如果目录不存在则创建
                if (!System.IO.Directory.Exists(path))
                {
                    System.IO.Directory.CreateDirectory(path);
                }
                System.IO.FileInfo file = new System.IO.FileInfo(path + filename);
                writer = new System.IO.StreamWriter(file.FullName, true);
                writer.WriteLine("发生时间:" + System.DateTime.Now.ToString());
                writer.WriteLine(msg);
                writer.WriteLine("--------------------------------------------------------------------------------------");
            }
            finally
            {
                if (writer != null)
                    writer.Close();
            }
        }
    }
}
